11146231646 has 16 divisors (see below), whose sum is σ = 18275140080. Its totient is φ = 5056510080.

The previous prime is 11146231643. The next prime is 11146231661. The reversal of 11146231646 is 64613264111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11146231643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486491 + ... + 508886.

It is an arithmetic number, because the mean of its divisors is an integer number (1142196255).

Almost surely, 2^11146231646 is an apocalyptic number.

11146231646 is a deficient number, since it is larger than the sum of its proper divisors (7128908434).

11146231646 is a wasteful number, since it uses less digits than its factorization.

11146231646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995899.

The product of its digits is 20736, while the sum is 35.

Adding to 11146231646 its reverse (64613264111), we get a palindrome (75759495757).

The spelling of 11146231646 in words is "eleven billion, one hundred forty-six million, two hundred thirty-one thousand, six hundred forty-six".